in kg of water. You cool the water to 40°C. How much K₂Cr₂O7 17. stayed dissolved in the 1 kg of water? 18 You prepared an exact saturated solution of K₂Cr₂O7 at 70°C in 1 kg of water. You cool the water to 40°C. How much K₂Cr₂O7 flocked out of solution as a solid? How much K₂Cr₂O7 must be dissolved into 1 kg of water at 90°C to make an exact saturated solution? 19

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Chapter1: Chemical Foundations
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Graph 3: Solubility Curve for Potassium Dichromate (K₂Cr₂O7)
1000
Concentration (grams/kg H₂O)
900
800
700
600
500
400
300
200
100
0
10
►
10
60 70 80 90 100
Temperature (Celsius)
You dissolved 300 g of K₂Cr₂O into 1 kg of water. At which
20 30
1
Transcribed Image Text:Graph 3: Solubility Curve for Potassium Dichromate (K₂Cr₂O7) 1000 Concentration (grams/kg H₂O) 900 800 700 600 500 400 300 200 100 0 10 ► 10 60 70 80 90 100 Temperature (Celsius) You dissolved 300 g of K₂Cr₂O into 1 kg of water. At which 20 30 1
0.01
You prepared an exact saturated solution of K₂Cr₂O7 at 70°℃ in 1
kg of water. You cool the water to 40°C. How much K₂Cr₂O7
17. stayed dissolved in the 1 kg of water?
18
19
20
21
You prepared an exact saturated solution of K₂Cr₂O7 at 70°C in 1
kg of water. You cool the water to 40°C. How much K₂Cr₂O7
flocked out of solution as a solid?
How much K₂Cr₂O7 must be dissolved into 1 kg of water at 90°C
to make an exact saturated solution?
You prepared an exact saturated solution of K₂Cr₂O7 at 90°℃ in 1
kg of water. You cool the water to 50°C. How much K₂Cr₂O7
stayed dissolved in the 1 kg of water?
You prepared an exact saturated solution of K₂Cr₂O7 at 90°C in 1
kg of water. You cool the water to 50°C. How much K₂Cr₂O₂
flocked out of solution as a solid?
Transcribed Image Text:0.01 You prepared an exact saturated solution of K₂Cr₂O7 at 70°℃ in 1 kg of water. You cool the water to 40°C. How much K₂Cr₂O7 17. stayed dissolved in the 1 kg of water? 18 19 20 21 You prepared an exact saturated solution of K₂Cr₂O7 at 70°C in 1 kg of water. You cool the water to 40°C. How much K₂Cr₂O7 flocked out of solution as a solid? How much K₂Cr₂O7 must be dissolved into 1 kg of water at 90°C to make an exact saturated solution? You prepared an exact saturated solution of K₂Cr₂O7 at 90°℃ in 1 kg of water. You cool the water to 50°C. How much K₂Cr₂O7 stayed dissolved in the 1 kg of water? You prepared an exact saturated solution of K₂Cr₂O7 at 90°C in 1 kg of water. You cool the water to 50°C. How much K₂Cr₂O₂ flocked out of solution as a solid?
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